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Yamaha Raptor 350 & Warrior Forum

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    1987 mod questions.. help

    OK. sorry i picked up 1987 yfm350 and i have been trying to put it back together. motor was toast so had to pick up new piston and jug so bought a set on ebay 10.5:1 if i remember correctly exhaust was gone so i mistakingly bought a crappy dg open ended muffler. well anyways...